Finding the Fourth Proportional to 78,617.66, 108,475.46 and 46,780.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,617.66 : 108,475.46 = 46,780.34 : x
2. Step 2: Convert to fraction form
   78,617.66/108,475.46 = 46,780.34/x
3. Step 3: Cross multiply
   78,617.66x = 108,475.46 × 46,780.34
4. Step 4: Simplify right side
   78,617.66x = 5,074,518,900.46
5. Step 5: Solve for x
   x = 5,074,518,900.46/78,617.66
6. Step 6: Final answer
   x = 64,546.81